Prachuap Khiri Khan weather in August

In August, Prachuap Khiri Khan sees average daytime highs of 29°C and overnight lows near 25°C, with 147 mm of rain across 25.5 wet days and about 12.4 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 1% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of August to 12 h 12 min by month's end. Set against the rest of the year, August is Prachuap Khiri Khan's 12th-clearest and 1st-windiest month. For the whole year in context, see Prachuap Khiri Khan's year-round climate.

Daytime high
29°
6th warmest
Overnight low
25°
8th coldest
Rainfall
147 mm
25.5 wet days
Daylight
12 h 24 min
6:13 AM – 6:37 PM
Cloud cover
91%
12th clearest
Wind
15 km/h
1st windiest
Solar energy
4.72 kWh/m²
Travel score
3.4
out of 10

Prachuap Khiri Khan is town in Prachuap Khiri Khan province, Thailand.

Density
2,394/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical August day in Prachuap Khiri Khan reaches about 29°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, August runs on par with July and on par with September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12925
22925
32925
42925
52925
62925
72925
82925
92925
102925
112925
122925
132925
142925
152925
162925
172925
182925
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925
312925

How August really feels in Prachuap Khiri Khan

Once humidity and wind are folded in, August averages 26 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
26
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Prachuap Khiri Khan weather by month

How August compares with the rest of the year at a glance. August is the 6th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 23°405.611.47.3
Feb28° / 24°234.611.66.7
Mar29° / 25°7411.211.95.4
Apr30° / 26°9816.612.34.2
May30° / 26°15525.612.53.1
Jun29° / 25°12423.512.73.3
Jul29° / 25°14425.312.63.4
Aug29° / 25°14725.512.43.4
Sep29° / 25°16925.312.13.3
Oct28° / 25°24025.611.73.8
Nov28° / 24°9110.911.55.9
Dec28° / 23°284.311.37.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in August, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 4% of August, with mostly cloudy or overcast conditions the remaining 95%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1496
2496
3496
4496
5496
6496
7595
8595
9595
10595
11595
12595
13595
14595
15595
16694
17694
18694
19694
20694
21694
22595
23595
24595
25595
26595
27595
28595
29595
30595
31595

Chance of precipitation in August

Any precipitation

Prachuap Khiri Khan gets around 147 mm of rain over 25.5 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 82% and peaks near 86% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
186
286
386
485
585
684
784
883
983
1082
1182
1281
1380
1480
1580
1679
1779
1879
1979
2079
2180
2280
2381
2481
2582
2682
2782
2882
2982
3082
3181

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the oppressive band about 91% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1919
2919
3919
49010
59010
69010
78911
88911
98911
108911
118911
128812
138911
148911
158911
168911
178911
189010
199010
20919
21919
22919
23928
24928
25928
26937
27937
28937
29937
30937
31937

Wind in August

Winds average 15 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 14 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 30 min at the start of August to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over August. Sunrise moves from 6:11 AM to 6:14 AM, and sunset from 6:43 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:116:43
212.56:116:42
312.56:116:42
412.56:126:42
512.56:126:41
612.56:126:41
712.56:126:41
812.56:126:40
912.56:126:40
1012.56:126:40
1112.46:136:39
1212.46:136:39
1312.46:136:38
1412.46:136:38
1512.46:136:37
1612.46:136:37
1712.46:136:36
1812.46:136:36
1912.46:136:35
2012.46:136:35
2112.36:136:34
2212.36:136:34
2312.36:146:33
2412.36:146:32
2512.36:146:32
2612.36:146:31
2712.36:146:31
2812.36:146:30
2912.36:146:29
3012.36:146:29
3112.26:146:28

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.72 kWh/m².

For context, solar energy here swings from a low near 4.48 kWh/m² to a high of 6.36 kWh/m² in April across the year — August's 4.72 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in August

Hazard calendar for Prachuap Khiri Khan

In seasonPeak

In August, Prachuap Khiri Khan sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Prachuap Khiri Khan sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

Prachuap Khiri Khan's rainy season runs May–October, when most of the year's rain falls.

Cyclone
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Prachuap Khiri Khan?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.4
Sightseeing
8th-best month of the year
4.3
Beach & pool
11th-best month of the year

August is a weaker month for outdoor sightseeing in Prachuap Khiri Khan.

What to pack for Prachuap Khiri Khan in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Prachuap Khiri Khan sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

Sea temperature near Prachuap Khiri Khan in August

The nearest coast averages about 29°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in May at about 30°C and coldest in January near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb28Warm
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Prachuap Khiri Khan in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Prachuap Khiri Khan peaks around August 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 20 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 16UV 14Nov 20UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov8Very high
Dec9Very high

Air quality in Prachuap Khiri Khan in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Prachuap Khiri Khan is worst in April — around 26 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (September, 11 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateApr 1025 µg/m³Sep 1211 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb24Moderate
Mar25Moderate
Apr26Moderate
May16Moderate
Jun12Moderate
Jul13Moderate
Aug12Good
Sep11Good
Oct14Moderate
Nov19Moderate
Dec20Moderate
Location & terrain

Where is Prachuap Khiri Khan?

Prachuap Khiri Khan sits at 11.8°N, 99.8°E, 13 m above sea level, in Thailand. The nearest listed city is Kui Buri, 30 km away.

Cha-amTha YangPhetchaburi

Topography around Prachuap Khiri Khan

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Prachuap Khiri Khan.

Within 3 km, the terrain around Prachuap Khiri Khan has only modest variations in elevation — a maximum elevation change of 69 m around an average of 10 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 635 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,290 m.

The land around Prachuap Khiri Khan is covered by trees (29%), grassland (29%) and artificial surfaces (20%) within 3 km, water (43%) and trees (38%) within 16 km, and trees (58%) and water (36%) within 80 km.

3 km
69 m
16 km
635 m
80 km
1,290 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
August weather nearby: Kui Buri 30 km · Sam Roi Yot 51 km · Pran Buri 64 km · Bang Saphan 74 km · Hua Hin 85 km · Cha-am 111 km · Tha Yang 127 km · Phetchaburi 145 km

Thailand travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C
230 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$8,057
2025
Happiness
6.3 / 10
World Happiness, 2025
Homicide rate
4.8
per 100k, 2011
Road deaths
32.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 402
Religion
Buddhist 93%Muslim 5%Christian 1%other 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Prachuap Khiri Khan (11.821°, 99.7841°, elevation 13 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).